JEE Advanced 2022 Mathematics question
Let be the reflection of a point with respect to the plane given by
= -(t + p) + t + (1 + p)
where are real parameters and are the unit vectors along the three positive coordinate axes. If the position vectors of and are and respectively, then which of the following is/are TRUE ?
Answer: (A),(B),(C)
Solution
For points of the plane , , , so . Reflection of : and $S = Q-2λ(1,1,1) =
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